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Taxon: Emex spinosa (L.) Campd.

Genus: Emex
Family: Polygonaceae subfamily: Polygonoideae tribe: Rumiceae.
Nomen number: 316413
Place of publication: Monogr. Rumex 58. 1819
Name verified on: 07-May-1992 by ARS Systematic Botanists. Last updated: 22-May-1997
No species priority site assigned.

NO ACCESSIONS IN NPGS UNDER THIS NAME.

SPECIES RESTRICTED AS A FEDERAL AND STATE NOXIOUS WEED
A declared noxious weed by USDA-APHIS.
A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:
AL*, FL*, HI*°, MA*, NC*.
ªAquatic. *Terrestrial. °In seed.
noxious weed information from Invaders Database System for northwestern U.S.

Common names:

  • devil's-thorn   (Source: USDA/APHIS ) – English
  • erect emex   (Source: Aust Pl Common Names ) – English
  • lesser-jack   (Source: F SAust ) – English
  • little-jack   (Source: F NAmer ) – English
  • spiny emex   (Source: L NWeeds Hawaii ) – English
  • spiny three-corner-jack   (Source: F NAmer ) – English
  • ders al'ajooz   (Source: Ill L Qatar ) – Arabic
  • hanzab   (Source: Ill L Qatar ) – Arabic
  • spinaciastra   (Source: Galasso, pers. comm.) – Italian
  • emex-espinhoso   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  • taggskräppa   (Source: Vara kulturvaxt namn ) – Swedish

Economic importance:

  • Weed: potential seed contaminant   (fide Weed CIBA)
More:

Distributional range:

      Native:
  • AFRICA
    Northern Africa: Algeria [n.]; Egypt; Libya; Morocco; Tunisia
  • ASIA-TEMPERATE
    Arabian Peninsula: Kuwait; Saudi Arabia
    Western Asia: Cyprus; Israel; Jordan; Lebanon; Turkey [w.]
  • EUROPE
    Southeastern Europe: Greece [incl. Crete]; Italy [incl. Sardinia, Sicily]
    Southwestern Europe: France - Corsica; Portugal; Spain [incl. Baleares]

      Naturalized:
  • widely naturalized elsewhere

References:

More:

Synonyms:


Check other web resources for Emex spinosa (L.) Campd.:


Images:

More:
  • Check PlantSystematics.org for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

| USDA | ARS | GRIN | NPGS | New Search |

Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?316413 (24 November 2014)

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